(function () {
    if (typeof Mario === "undefined") window.Mario = {};

    var Fireflower = (Mario.Fireflower = function (pos) {
        this.spawning = false;
        this.waiting = 0;

        Mario.Entity.call(this, {
            pos: pos,
            sprite: level.fireFlowerSprite,
            hitbox: [0, 0, 16, 16],
        });
    });

    Mario.Util.inherits(Fireflower, Mario.Entity);

    Fireflower.prototype.render = function (ctx, vX, vY) {
        if (this.spawning > 1) return;
        this.sprite.render(ctx, this.pos[0], this.pos[1], vX, vY);
    };

    Fireflower.prototype.spawn = function () {
        sounds.itemAppear.play();
        this.idx = level.items.length;
        level.items.push(this);
        this.spawning = 12;
        this.targetpos = [];
        this.targetpos[0] = this.pos[0];
        this.targetpos[1] = this.pos[1] - 16;
    };

    Fireflower.prototype.update = function (dt) {
        if (this.spawning > 1) {
            this.spawning -= 1;
            if (this.spawning == 1) this.vel[1] = -0.5;
            return;
        }
        if (this.spawning) {
            if (this.pos[1] <= this.targetpos[1]) {
                this.pos[1] = this.targetpos[1];
                this.vel[1] = 0;
                this.spawning = 0;
            }
        }

        this.vel[1] += this.acc[1];
        this.pos[0] += this.vel[0];
        this.pos[1] += this.vel[1];
        this.sprite.update(dt);
    };

    Fireflower.prototype.checkCollisions = function () {
        if (this.spawning) {
            return;
        }
        this.isPlayerCollided();
    };

    Fireflower.prototype.isPlayerCollided = function () {
        //the first two elements of the hitbox array are an offset, so let's do this now.
        var hpos1 = [
            this.pos[0] + this.hitbox[0],
            this.pos[1] + this.hitbox[1],
        ];
        var hpos2 = [
            player.pos[0] + player.hitbox[0],
            player.pos[1] + player.hitbox[1],
        ];

        //if the hitboxes actually overlap
        if (
            !(
                hpos1[0] > hpos2[0] + player.hitbox[2] ||
                hpos1[0] + this.hitbox[2] < hpos2[0]
            )
        ) {
            if (
                !(
                    hpos1[1] > hpos2[1] + player.hitbox[3] ||
                    hpos1[1] + this.hitbox[3] < hpos2[1]
                )
            ) {
                player.powerUp(this.idx);
            }
        }
    };

    //This should never be called, but just in case.
    Fireflower.prototype.bump = function () {};
})();